参数资料
型号: DS2408S+T&R
厂商: Maxim Integrated Products
文件页数: 5/39页
文件大小: 0K
描述: IC SWITCH 8-CHAN ADDRESS 16SOIC
标准包装: 2,500
接口: 1 线
输入/输出数: 8
中断输出: *
电源电压: 2.8 V ~ 5.25 V
工作温度: *
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
包括: *
DS2408
13 of 39
Figure 8-1. CONTROL FUNCTIONS FLOW CHART
Bus Master TX
TA1 (T7:T0), TA2 (T15:T8)
Y
N
F0h
Read PIO Reg.?
Y
N
Address
< 90h?
To Figure 8
2nd Part
From Figure 8
2nd Part
Bus Master TX Control
Function Command
To ROM Functions
Flow Chart (Figure 12)
From ROM Functions
Flow Chart (Figure 12)
DS2408 sets Register
Address = (T15:T0)
Bus Master RX Data Byte
from Register Address
Bus Master RX CRC16
of Command, Address,
Data Bytes
Bus Master
RX “1”s
Y
N
DS2408 Incre-
ments Address
Counter
Y
N
Master
TX Reset?
Address
< 90h?
Master
TX Reset?
Master
TX Reset?
Y
N
Note:
To read the three PIO state and latch
register bytes, the target address should
be 0088h. Returned data for a target
address <0088h is undefined.
Address
= 88h?
Y
N
DS2408 Samples
PIO Pin Status
1)
Note 1)
See the command
description for the
exact timing of the
PIO pin sampling.
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